You're viewing version 3.0 of the OpenSearch documentation. This version is no longer maintained. For the latest version, see the current documentation. For information about OpenSearch version maintenance, see Release Schedule and Maintenance Policy.

MCP server APIs

Introduced 3.0

This is an experimental feature and is not recommended for use in a production environment. For updates on the progress of the feature or if you want to leave feedback, join the discussion on the OpenSearch forum.

Model Context Protocol (MCP) is a protocol that defines how an agent can discover and execute tools. The MCP server allows external agents to connect to and use tools available in OpenSearch. For a list of supported tools, see Tools.

ML Commons supports the following MCP APIs:

• Register MCP tools
• Remove MCP tools
• MCP SSE session
• MCP SSE message